Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1977-03-21
1978-10-31
Smith, Alfred E.
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
343120, 343876, 343832, H01Q 326, G01S 504, H01Q 1910, H01Q 324
Patent
active
041237595
ABSTRACT:
An antenna system for producing from a fixed array of active antenna elements which are each omnidirectional in a plane, a sensitivity pattern that is directional in said plane and which pattern can be rotated around the array. The system consists of at least three antenna elements located at the corners of a regular polygon and are excited with substantially equal magnitudes of current that are in the same phase at two adjacent corners and different in phase by substantially 90 electrical degrees at the third corner. The antenna system further includes an electrical power dividing and phasing network as well as electrical switching means to effect proper rotation.
REFERENCES:
patent: 2607008 (1952-08-01), Guarino et al.
patent: 3056961 (1962-10-01), Mitchell
patent: 3922685 (1975-11-01), Opas
patent: 3996592 (1976-12-01), Kline et al.
Atchley, Jr. Dana W.
Hines Marion E.
Stinehelfer, Sr. Harold E.
Barlow Harry E.
Microwave Associates, Inc.
Rosen Alfred H.
Smith Alfred E.
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